NTSB Identification: CHI02CA211.
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Accident occurred Thursday, July 18, 2002 in Spearfish, SD
Probable Cause Approval Date: 09/09/2002
Aircraft: Cessna 172N, registration: N1373E
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

On July 18, 2002, at 1100 mountain daylight time, a Cessna 172N, N1373E, piloted by a student pilot, was substantially damaged during takeoff when it veered to the left and ran off the runway. The pilot was practicing takeoffs and landings on runway 12 (5,498 feet x 75 feet, asphalt) at the Black Hills--Clyde Ice Field Airport (SPF), Spearfish, South Dakota. Visual meteorological conditions prevailed at the time of the accident. The flight was being conducted under the provisions of 14 CFR Part 91. The pilot was not injured. The student pilot had a total flight time of 12 hrs.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The probable cause of this accident was the pilot's failure to maintain directional control of the airplane during the takeoff roll. Differences in control forces and aircraft handling due to initiating the takeoff without fully retracting the flaps is a contributing factor.

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